tree 8ab1ff016d6d84d1ef5a05e3fc2696062e687ab8
parent af5098973136029211848b4999ad5d38bc90180f
author Zhu Guihua <zhugh.fnst@cn.fujitsu.com> 1430124440 +0800
committer Michael S. Tsirkin <mst@redhat.com> 1430161747 +0200

acpi: fix "Memory device control fields" register

0 bit in Memory device control fields must be cleared before writing to
register. But now this field isn't cleared when other fields are written.

To solve this bug, This patch fixes UpdateRule to WriteAsZeros in "Memory
device control fields" register.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>